var newwin;

function launchPDF(winurl)//,winname,winfeatures)
{
	//This launches a new window and then
	//focuses it if window.focus() is supported.
	newwin = window.open(winurl,'pdfWin','height=600,width=700,resizable=1,toolbar=0,status=1,toolbar=0,menubar=0,top=12,directories=0')//,winfeatures);
	if(javascript_version > 1.0)
	{
		//delay a bit here because IE4 encounters errors
		//when trying to focus a recently opened window
 		setTimeout('newwin.focus();',250);
	}
}

//usage
//javascript:launchwin('yourpage.html' , 'newwindow' , 'height=150,width=300')